/*
 * Copyright (c) 2024 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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 */

#include <sys/types.h>
#include <sys/sysctl.h>
#include <darwintest.h>

T_DECL(tcp_cache_fill, "Fills the entire tcp_cache hash table")
{
	int ret, value = 0;
	size_t len = sizeof(value);

	ret = sysctlbyname("net.inet.tcp.test_cache", &value, &len, NULL, 0);
	if (ret == 0) {
		value = 1;
		T_ASSERT_POSIX_SUCCESS(sysctlbyname("net.inet.tcp.test_cache", NULL, NULL,
		    &value, sizeof(value)), NULL);
		sysctlbyname("net.inet.tcp.clear_tfocache", NULL, NULL,
		    &value, sizeof(value));
	} else {
		T_SKIP("net.inet.tcp.test_cache not available");
	}
}
